Volume 16 Issue 8
Published: 2005-06-01
Contents
Article
Square Wave Voltammetric Method for the Determination of Substituted Oxadiazol in Aqueous Solution
Eman I. Ahmed, Sadallah T. Sulaiman
A rapid, sensitive and accurate method for the determination of substituted oxadiazol (I&II) has been developed based on the reduction of electroactive group (-C=S) at hanging mercury electrode...
Spectrophotometric Determination of Sulphamethazine by the Diazotisation-Coupling Method with m-Aminophenol as the Coupling Agent-Application to Pharamaceutical
tmad A. Taha
A spectrophotometric method for the trace determination of sulphamethazine has been worked out. It is based on the reaction of sulphamethazine with sodium nitrite in acidic medium to form the...
Synthesis of 1,2,4-Oxadiazolidine and Isoxazolidine Derivatives from Addition of Isocyanates and Alkenes to Nitrones
Namer S. Ezzat, Huda A. Basheer, Mohammad S. Al-Ajely
Some new heterocyclic compounds of 1,2,4-oxadiazolidine-5-one derivatives [3a-m] were synthesized from the reaction of nitrone compounds with some isocyanates of amino acid esters in good yields....
The Electrical Conductivity of a Mixture of Both Symmetrical and Unsymmetrical Complexes in Methanol At 25 °C
Banan A. Akrawi
We have measured the electrical conductivity of a mixture of both symmetrical and unsymmetrical complexes: {[Ni(en)3](N03)2} + {[Co(en)2Cl2]Cl} in methanol at 298K. The results are analysed using...
Some Biochemical Studies on Serum of Duodenal Ulcer Patients Infected with Helicobacter pylori in Ninevah Governorate
Bahyj Y. Al-Khalil, Tareq Y. Ahmad, Layla A. Mustafa
The research was concerned with biochemical studies in serum of duodenal ulcer (DU) patients. The present study included (152) patients (105 males and 47 females), their ages ranged between (15-56)...
Synthesis of New Derivatives for Substituted Malonamic Acids
Mohammad A. Sheat
A number of substituted malonamic acids derivatives were prepared by nucleophilic substitution reactions of substituted malonyl chlorides with phenyl carbamate followed by reaction of the products...
Nutritional Rickets in Northern Iraqi Children – Response to Vitamin D
Akram J. Ahmad, Samir B. Al-Mukhtar
alkaline phosphatase (ALP) and albumin was studied on twenty seven rachitic children aged 6-60 months who attended the outpatient department in Al-Khansa maternity and children's Hospital in Mosul...
Diazotised p-Nitroaniline Reagent for the Determination of Trace Amounts of Salbutamol Sulphate in Aqueous Solution– Application to Pharmaceutical Preparations
Inaam A. Hamdon, Nabeel S. Othman
A simple, rapid and sensitive spectrophotometric method for the determination of micro amounts of salbutamol sulphate in aqueous solution has been developed. The method is based on the coupling of...
Effect of Substituents Type on the Adsorption of Aromatic Carboxylic Acids and their Relation to Concentration, Temperature and pH
Emad A. Al-Hyali, Omar M. Ramadhan, Safwan A. Al-Dobone
The study involved investigation of the adsorption of aromatic carboxylic acids carrying various substituents such as OH, NH2 and SH. The effects of concentration, temperature and pH were induced....
Study of Charge Transfer Complexes of salicylidene aliphatic amines with Eu(fod)3 in cyclohexane by U. V. spectroscopy
Isam J. Al-Nuri, Sadallah T. Sulaiman, Layla M.N. Saleem
Salicylidene aliphatic amines in cyclohexane form 1:1 charge transfer complexes on addition of Eu(fod)3, indicated by the observation of a new band in their U.V. spectra located at longer...
Application of -Radiolysed Natural Silica on the Fractionation of Virgin Olive Oil
Akram A. Mohammed
The study of -radiolysed natural Iraqi silica (Ninivite) as obtained from the main rocks indicated that as we increase the irradiation time, the ratio of amorphous silica to the crystalline one is...
Polarographic Measurement of Lactate Dehydrogenase Activity in Human Serum “Clinical Application
Hisham S. Hamdon, Talal S. Al-Najafi, Sadallah T. Sulaiman
The paper reports a sensitive and rapid method for the measurement of Lactate Dehydrogenase activity (EC 1.1.1.27) in human serum. The method is based on the polarographic measurement in the...
Synthesis of some Azo Compounds Derived from Substituted 4`-Aminosulfonanilides
Haiffaa Y. Hussain, Kawther H. Al-Naimi, Mohammad A. Al-Iraqi
The synthesis of azo compounds (9-11) has been achieved by reaction of diazonium salts of substituted 4`-aminosulfonanilides with some aromatic amines or phenols 4-Nitroaniline (1) is served as a...
Coordination Compounds of Tin, Selenium and Bismuth. Complexes of Tin(IV), Selenium(IV) and Bismuth(III) with Schiff Bases
Amer A. Taqa
Tin, selenium and bismuth metal complexes containing Schiff bases ligands derived from ortho-benzaldehyde, dimethyl ketone, diethyl ketone and di(o-aminophenyl) disulphide have been prepared from...
Aging Effect in Different Aqueous Media on Thermal Stability of Epoxy Resin
Qais M. Abd Al-Hameed, Akram A. Mohamed
ABSTRACT The present work deals with the influence of aging conditions on thermal stability of authentic epoxy resin exposed to different aqueous media. Thermogravimetric analysis (TGA) shows that...
Approaches to the Synthesis of Tetracyclic Quinone System Related to Anthracyclinone
Abdul Hakeem T. Mahmood, Badie A. Ahmed
Synthesis of the tetracyclic quinone compound (10) is described. The synthetic route adopted involves: preparation of the precursor 2-(2-methoxy carbonyl benzoyl) 1,4-benzoquinone (7), Diels-Alder...
Synthesis and Characterization of Some Zinc(II) and Cadmium(II) Complexes with Schiff Bases
Akram A. Mohammed
A number of zinc(II) and cadmium(II) complexes with two Schiff base ligands have been prepared. The ligands derived from the condensation of furfuraldehyde with butylamine (FBA) and hexylamine...
Synthesis and Characterization of Trinuclear Complexes and Adducts through Oxidative Addition Reaction of Thiuram Disulfide
Amena F. Al-Omari, Nabeel H. Buttrus
Selenium metal react with (RNHC(S)S)2 when (R = Ph or o-EtPh) in refluxing toluene to give the compounds [Se{RNHC(S)S}4] in high yields. The new trinuclear complexes were prepared by the reaction...
Unexpected Products in the Synthesis of Tetracyclic Anthrone Systems
Abdul Hakeem T. Mahmood, Badie A. Ahmed
An unexpected bis-anthranol (11) was obtained in an attempt to synthesis 1,4-dimethxy anthrone (5a) as a precursor in the total synthesis of tetracyclic anthrone systems (7 and 8) related to...
The Electrical Conductivity of Some Alkali Nitrates in Propanol-Water Mixtures at 298K
Ashur M. Dawod, Salem M. Khalil, Banan A. Akrawi
The electrical conductivity of some symmetrical (1:1) alkali nitrates in different percentages of propanol-water mixtures at 298K have been measured. The results were analysed using Lee-Wheaton...
An Application of Lee-Wheaton Conductance Equation to Mixed (Symmetrical and Asymmetrical) Electrolytes in Methanol at Two Different Temperatures
Yaser O. Hameed, Banan A. Akrawi
The applicability of (LW) Lee-Wheaton equation is tested for three mixtures I-[Ni(phen)3]Cl2 + KBr, II-[Co(phen)3]Cl2 + KBr at 298.16K and III-[Co(phen)3]Cl2 + KBr at 308.16K. From the association...
The Effect of Proteinous Compounds from Myrtus communis L. Fruit on Some Biochemical Parameters in Mice
Tareq Y. Ahmad
Three compounds (A, B and C) were isolated by gel filtration chromatography of the precipitate produced by acetone precipitation of the aqueous extract of Myrtus communis L. fruits. Comparative...
Radical Behavior Produced in -Irradiated Alanine and Phenylalanine Amino Acids Aqueous Solutions
Khalid Y. Al-Yamoor, Azhar A. Abdul-Rahman
Radiolysis of alanine and phenylalanine in aqueous solutions containing NADH has been carried out at different gas saturation and pH. It has been found that the oxidation of NADH decreases by...
Construction of Multi-Electrodes Electrochemical Detection System for Flow-Injection Analysis (FIA): Application to Cu1+/Cu2+ Couple
Amer Th. Al-Taee, Sadallah T. Sulaiman
A house-built multi-electrodes detector has been designed for flow-injection electrochemical analysis. The detection system constructed intwo part, the auxiliary electrode (1 mm diameter Pt wire),...
Flow Injection Analysis ( FIA) Technique as a Method for Determination of Hemoglobin (Total) Quantity
Amer Th. Al-Taee
A new method for the determination of Hemoglobin quantity in human blood serum based on Flow Injection Analysis ( FIA) was described . This method is relay on the decrease in the reduction peak of...
